The search for missing 84-year-old Nancy Guthrie has shifted to Mexico after a volunteer group received an anonymous tip. The Pima County Sheriff’s Department acknowledges the reports but states they ...

“America is at risk of high impact GPS jamming and spoofing from space” was the title of my SpaceNews opinion article in October 2024. Little did I know that its publication would set into motion a ...

After a decade of cognitive and functional decline, an 80-year-old patient with advanced Alzheimer’s disease showed remarkable signs of progress. All it took was a single dose of an experimental ...